Added Brillhart-Lehmer-Selfridge test.
Added Brillhart-Lehmer-Selfridge test.

dsroche/flint2,wbhart/flint2,jpflori/flint2,fredrik-johansson/flint2,wbhart/flint2,fredrik-johansson/flint2,fredrik-johansson/flint2,wbhart/flint2,dsroche/flint2,dsroche/flint2,jpflori/flint2,dsroche/flint2,jpflori/flint2,jpflori/flint2